git: openjdk/amber-docs: Update templated-strings.md

[JimLaskey]

Changeset: 155c53f3
Author:    JimLaskey <james.laskey at oracle.com>
Date:      2021-09-16 10:05:11 +0000
URL:       https://git.openjdk.java.net/amber-docs/commit/155c53f33c666b4450c42d1549dc669abc957e78

Update templated-strings.md

! site/design-notes/templated-strings.md